... marking machine or YAG Laser Marking machine 2-4 times faster. Scanning a translucent surface ... 0.5mm deep recess just needs three minutes.2. No supplies, long life; no need ... DXF format, such as documents, automatically generated 2-D code, 3-D code, serial number, order number, batch number ... surface of the phone keys light logo text.2. Computer peripherals products: keyboard, light board, ...